Vortex 826KV4-40 VTX Aluminum Rear Sprocket 40-Tooth

The Vortex 826KV4-40 is a high-performance 40-tooth aluminum rear sprocket from Vortex Racing's popular VTX series. Engineered for riders who demand precision, durability, and reduced unsprung weight, this sprocket is CNC-machined from lightweight aluminum alloy and built to exacting tolerances.

Key Features:

• 40-Tooth rear sprocket configuration for optimized drive ratio
• CNC-machined from high-strength 7075 aluminum alloy for an ideal balance of weight savings and durability
• Part of the VTX series — designed as a direct OEM-style replacement with performance upgrades
• Hard-anodized finish for corrosion resistance and long service life
• Precision tooth geometry ensures smooth, consistent chain engagement and reduced wear
• Drilled and lightened design minimizes rotational mass for improved throttle response

Vortex Racing is a trusted name in the powersports industry, supplying sprockets to professional race teams and street riders alike. The 826KV4-40 is a bolt-on upgrade that delivers race-inspired performance for track and street applications.